uvm_fault(0xfffffd806c76dc28, 0x30, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at spec_getattr+0xa3: movq 0x30(%rax),%rdi
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 31634 45054 0 0 0x4000000 0 syz-executor
spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564
VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191
fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462
sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719
kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500
sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422
syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc00ba2f8fc0, count: 7
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xfffffd806c76dc28, 0x30, 0, 1) -> e
ddb> trace
spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564
VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191
fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462
sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719
kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500
sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422
syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc00ba2f8fc0, count: -8
ddb> show registers
rdi 0
rsi 0
rbp 0xffff8000376232b0
rbx 0
rdx 0
rcx 0xffffffff834b9ff0 cpu_info_full_primary+0x1ff0
rax 0
r8 0xffffffffffffffff
r9 0
r10 0x5e74eeef4277a7e3
r11 0x93124ddae69549c1
r12 0x8000 __ALIGN_SIZE+0x7000
r13 0x8000 __ALIGN_SIZE+0x7000
r14 0xffff8000376232c8
r15 0xfffffd8069c88b50
rip 0xffffffff829c6f43 spec_getattr+0xa3
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800037623270
ss 0x10
spec_getattr+0xa3: movq 0x30(%rax),%rdi
ddb> show proc
PROC (syz-executor) tid=31634 pid=45054 tcnt=2 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff80002a4c31d0,0xffff800036a1cf60
process=0xffff8000327f4018 user=0xffff80003761e000, vmspace=0xfffffd806c76dc28
estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
55421 194817 14125 0 2 0 syz-executor
55421 441649 14125 0 2 0x4000000 syz-executor
91310 143648 0 0 3 0x14200 acct acct
45054 290934 21446 0 2 0 syz-executor
*45054 31634 21446 0 7 0x4000000 syz-executor
98532 20483 93754 0 2 0 syz-executor
98532 79150 93754 0 2 0x4000000 syz-executor
98532 427707 93754 0 2 0x4000000 syz-executor
98532 345862 93754 0 2 0x4000000 syz-executor
62135 195635 1888 0 2 0x2 syz-executor
93754 113434 1888 0 3 0x82 nanoslp syz-executor
18389 52601 0 0 3 0x14200 bored sosplice
23676 462096 1888 0 2 0x3 syz-executor
41404 157867 1888 0 2 0x2 syz-executor
14125 28367 1888 0 3 0x82 nanoslp syz-executor
49591 321743 1888 0 2 0x2 syz-executor
21446 441486 1888 0 3 0x82 nanoslp syz-executor
35965 346066 1888 0 2 0x2 syz-executor
1888 247092 87568 0 2 0x2 syz-executor
87568 36702 73155 0 3 0x10008a sigsusp ksh
73155 18124 5969 0 3 0x98 kqread sshd-session
5969 230184 69049 0 3 0x92 kqread sshd-session
84192 17225 1 0 3 0x100083 ttyin getty
69049 293679 1 0 3 0x88 kqread sshd
39649 74773 35068 73 3 0x1100090 kqread syslogd
35068 448304 1 0 3 0x100082 sbwait syslogd
39711 60350 1 0 2 0x100001 resolvd
64728 227633 45683 77 2 0x100013 dhcpleased
68449 128474 45683 77 3 0x100092 kqread dhcpleased
45683 274474 1 0 3 0x80 kqread dhcpleased
55524 130777 0 0 3 0x14200 bored smr
89266 57924 0 0 2 0x14200 zerothread
93255 300916 0 0 3 0x14200 aiodoned aiodoned
37033 482246 0 0 3 0x14200 syncer update
78191 135957 0 0 3 0x14200 cleaner cleaner
97482 332139 0 0 3 0x14200 reaper reaper
33562 29172 0 0 3 0x14200 pgdaemon pagedaemon
59792 312011 0 0 3 0x14200 bored viomb
87596 149285 0 0 3 0x40014200 acpi0 acpi0
40930 416920 0 0 3 0x14200 bored softnet3
95788 186085 0 0 3 0x14200 bored softnet2
78132 121076 0 0 3 0x14200 bored softnet1
78809 289312 0 0 2 0x14200 softnet0
57657 373343 0 0 3 0x14200 bored systqmp
99491 90998 0 0 3 0x14200 bored systq
51036 200439 0 0 3 0x40014200 tmoslp softclock
69670 300654 0 0 3 0x40014200 idle0
1 77026 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 10184 11055K 11370K 166960K 12286 0
pcb 17 14K 16K 166960K 265 0
rtable 159 6K 7K 166960K 988 0
pf 38 14K 22K 166960K 104 0
ifaddr 34 5K 7K 166960K 79 0
ifgroup 55 2K 2K 166960K 96 0
sysctl 4 1K 1K 166960K 4 0
counters 31 17K 17K 166960K 45 0
ioctlops 0 0K 5K 166960K 296 0
iov 0 0K 20K 166960K 76 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1429 90K 90K 166960K 2194 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 9K 166960K 22 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 0K 166960K 111 0
dirhash 12 2K 2K 166960K 30 0
ACPI 1690 195K 286K 166960K 12468 0
file desc 13 45K 97K 166960K 1117 0
sigio 1 0K 0K 166960K 26 0
proc 60 59K 124K 166960K 632 0
subproc 104 6K 6K 166960K 144 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 253 0
in_multi 71 5K 7K 166960K 165 0
ether_multi 1 0K 0K 166960K 5 0
mrt 1 0K 0K 166960K 4 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 85 387K 387K 166960K 85 0
exec 0 0K 2K 166960K 665 0
pfkey data 0 0K 0K 166960K 2 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 187 71K 88K 166960K 12352 0
UVM aobj 97 3K 5K 166960K 106 0
pinsyscall 34 68K 104K 166960K 2218 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 40 0
NDP 12 0K 2K 166960K 52 0
temp 78 6817K 6888K 166960K 22866 0
kqueue 14 22K 28K 166960K 186 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 126 0 123 1 0 1 1 0 8 0
rtentry 112 381 0 314 4 0 4 4 0 8 0
unpcb 144 968 0 951 7 1 6 6 0 8 5
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpqe 32 2 0 2 1 1 0 1 0 8 0
tcpcb 808 426 0 421 9 1 8 8 0 8 7
arp 88 97 0 86 1 0 1 1 0 8 0
ipq 40 9 0 6 1 0 1 1 0 8 0
ipqe 40 96 0 93 1 0 1 1 0 8 0
inpcb 336 1487 0 1477 12 3 9 12 0 8 8
nd6 104 41 0 22 1 0 1 1 0 8 0
pkpcb 40 7 0 7 2 1 1 1 0 8 1
kcovpl 48 11 0 3 1 0 1 1 0 8 0
ppxss 1072 9 0 9 1 0 1 1 0 8 1
pfstscr 40 67 0 66 2 1 1 1 0 8 0
pfrktable 1344 1 0 1 1 0 1 1 0 8 1
pfanchor 1288 3 0 0 1 0 1 1 0 8 0
pftag 88 2 0 2 1 0 1 1 0 8 1
pfstitem 24 2 0 0 1 0 1 1 0 8 0
pfstkey 128 201 0 199 2 1 1 1 0 8 0
pfstate 344 101 0 100 2 1 1 1 0 8 0
pfrule 1344 10 0 8 2 1 1 1 0 8 0
art_heap8 4096 3 0 0 3 0 3 3 0 8 0
art_heap4 256 852 0 510 30 1 29 29 0 8 4
art_table 32 855 0 510 4 0 4 4 0 8 0
art_node 16 379 0 319 1 0 1 1 0 8 0
sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0
semapl 112 108 0 98 1 0 1 1 0 8 0
shmpl 112 103 0 9 3 0 3 3 0 8 0
dirhash 1024 29 0 12 3 0 3 3 0 8 0
dino2pl 256 3379 0 1883 95 0 95 95 0 8 0
ffsino 240 3379 0 1883 89 0 89 89 0 8 0
nchpl 144 4960 0 3281 63 0 63 63 0 8 0
uvmvnodes 80 3954 0 0 81 0 81 81 0 8 0
vnodes 216 3954 0 0 220 0 220 220 0 8 0
namei 1024 17656 0 17654 3 2 1 2 0 8 0
kstatmem 264 52 0 28 2 0 2 2 0 8 0
scsiplug 72 3 0 3 1 0 1 1 0 8 1
scxspl 216 14125 0 14125 10 2 8 8 1 8 8
plimitpl 152 341 0 325 1 0 1 1 0 8 0
sigapl 424 1398 0 1355 7 1 6 7 0 8 0
futexpl 64 15977 0 15976 1 0 1 1 0 8 0
knotepl 120 48641 0 48593 16 7 9 9 0 8 6
kqueuepl 184 299 0 289 2 0 2 2 0 8 1
pipepl 288 224 0 197 6 1 5 5 0 8 2
fdescpl 432 1375 0 1350 5 1 4 5 0 8 0
filepl 120 8842 0 8601 13 1 12 12 0 8 2
lockfpl 104 471 0 469 1 0 1 1 0 8 0
lockfspl 48 207 0 205 1 0 1 1 0 8 0
sessionpl 144 24 0 16 1 0 1 1 0 8 0
pgrppl 48 106 0 90 1 0 1 1 0 8 0
ucredpl 104 1496 0 1485 1 0 1 1 0 8 0
zombiepl 144 1962 0 1962 1 0 1 1 0 8 1
processpl 1096 1398 0 1355 4 0 4 4 0 8 0
procpl 648 3110 0 3062 6 0 6 6 0 8 0
sosppl 168 7 0 5 2 1 1 1 0 8 0
sockpl 504 2635 0 2605 43 31 12 21 0 8 7
mcl64k 65536 9 0 9 2 1 1 1 0 8 1
mcl16k 16384 1 0 1 1 0 1 1 0 8 1
mcl8k 8192 27 0 27 2 1 1 1 0 8 1
mcl4k 4096 4041 0 3989 15 7 8 15 0 8 1
mcl2k2 2112 4 0 4 1 0 1 1 0 8 1
mcl2k 2048 1704 0 1701 6 2 4 4 0 8 3
mtagpl 96 25 0 13 1 0 1 1 0 8 0
mbufpl 256 18784 0 18566 135 109 26 79 0 8 7
bufpl 280 3865 0 95 270 0 270 270 0 8 0
anonpl 24 249061 0 246147 69 22 47 47 0 187 21
amapchunkpl 152 53014 0 52646 39 4 35 35 0 158 14
amappl16 200 6298 0 6277 33 22 11 15 0 8 8
amappl15 192 10 0 10 1 1 0 1 0 8 0
amappl14 184 134 0 124 1 0 1 1 0 8 0
amappl13 176 10 0 10 1 1 0 1 0 8 0
amappl12 168 2043 0 2018 3 1 2 3 0 8 0
amappl11 160 44 0 34 1 0 1 1 0 8 0
amappl10 152 7 0 7 1 1 0 1 0 8 0
amappl9 144 117 0 117 1 1 0 1 0 8 0
amappl8 136 23 0 22 1 0 1 1 0 8 0
amappl7 128 114 0 104 1 0 1 1 0 8 0
amappl6 120 190 0 189 1 0 1 1 0 8 0
amappl5 112 137 0 127 1 0 1 1 0 8 0
amappl4 104 295 0 279 1 0 1 1 0 8 0
amappl3 96 7516 0 7446 3 0 3 3 0 8 0
amappl2 88 1655 0 1582 2 0 2 2 0 8 0
amappl1 80 10378 0 9883 14 2 12 14 0 8 0
amappl 88 11876 0 11743 5 0 5 5 0 92 0
dma65536 65536 1 0 1 1 0 1 1 0 8 1
dma4096 4096 1 0 1 1 1 0 1 0 8 0
dma1024 1024 2 0 1 1 0 1 1 0 8 0
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 253 0 253 1 1 0 1 0 8 0
dma64 64 6 0 6 1 1 0 1 0 8 0
dma32 32 7 0 7 1 1 0 1 0 8 0
dma16 16 19 0 18 1 0 1 1 0 8 0
aobjpl 72 105 0 9 2 0 2 2 0 8 0
uaddrrnd 24 1375 0 1350 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1375 0 1350 1 0 1 1 0 8 0
vmmpekpl 168 11844 0 11794 3 0 3 3 0 8 0
vmmpepl 168 90837 0 89338 98 8 90 90 0 357 12
vmsppl 344 1374 0 1350 4 1 3 4 0 8 0
rwobjpl 24 31694 0 26848 30 0 30 30 0 8 0
pdppl 4096 2756 0 2700 104 38 66 82 0 8 10
pvpl 32 613994 0 606671 144 27 117 117 0 265 37
pmappl 216 1374 0 1350 3 0 3 3 0 8 0
extentpl 40 55 0 38 1 0 1 1 0 8 0
phpool 112 563 0 200 12 0 12 12 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564
VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191
fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462
sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719
kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500
sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422
syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc00ba2f8fc0, count: -8
ddb> machine ddbcpu 1
No such command
ddb> trace
spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564
VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191
fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462
sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719
kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500
sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422
syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc00ba2f8fc0, count: -8